Reading Vaclav Smil’s Size: How It Explains the World prompted Dartmouth’s Josh Kim to speculate about the implications for higher education, specifically with respect to the rise of mega-universities. “Over the past decade,” Kim writes, “we have witnessed mega-universities’ growth. Western Governors University enrolls over 150,000 students, followed closely by Southern New Hampshire University at roughly 145,000.” The University of Central Florida, established in 1968, is now the second-largest major university in the country, with 69,000 students. Read the full commentary here.